Can someone answer the First question? And explain it too?
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i don't know
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The one with smallest no. if moles will have smallest no. of molecules
as no.of molecules=no.of moles×6.023×10^23
moles=wt given /molecular wt
also moles=volume given(in litre) /22.4L
- moles=22/mol wt of Co2=22/44=0.5
- moles=11.2/22.4=0.5
- 0.1 mole of Co2
Since lowest no. of moles are in 4th hence it will also have lowest no. of molecules
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